Posted Sep 17, 2006 at 06:33AM by Alaric S. Listed in: Paleontology Tags: Africa, South Africa, Genome, Asia, Kenya, DNA
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mammothMcMaster University became the proud owner of a rare $750,000 genome sequencer, a machine of which less than 40 currently exists, which is probably the next best thing to an actual time machine since the genome sequencer can do in hours what normally takes scientists years to accomplish - to create an exact picture of prehistoric organisms and environments that existed long before cellphones with video cams were invented.

The sequencer reads the DNA from various kinds of samples such as ice, hair, or poop. Unlike other machines which is governed by the Garbage-in/Gabage-out rule (like this PC I'm using), the genome sequence can take in a fossilized poop/hair sample and spit out  astounding bits of info in turn. For example, the poop could reveal the genetic portrait of the creature that left it, the animals and plants it had eaten, the bacteria that broke down food in its gut and even the viruses that made it sick.

Such genomic portraits could help scientists answer some of mankind's questions such as:

  • When did we leave Africa?
  • Did we have sex with Neanderthals?
  • Did Raquel Welch-like amazons duked it out with dinosaurs One Million Years BC?
"For anybody working in archeology or paleontology, it's sort of a dream come true. It changes the ball game, going from maybe a million bases per month to maybe 40 million in five hours. We're talking about orders of magnitude." said McMaster researcher Hendrik Poinar with a smile on his face that makes him look like he just came from a date. Poinar plans to use the machine to decode woolly mammoth DNA.

The mammoth is an extinct genus of elephant, often with long, curved tusks. Those that live in the northern regions were covered by long hair and they lived during the Pleistocene epoch which was between 1.6 million years to around 3,500 years ago. They are believed to have originated from Africa, but mammoth remains have been found in Europe, Africa, Asia, and North America. Mammuthus africanavus fossils have also been found in Chad, Libya, Morocco and Tunisia. The Mammuthus subplanifrons found in South Africa and Kenya, is one of the oldest species which lived about four million years ago.


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   by Jx1 - 2006-09-18

amazing.
and lol on the raquel welch joke.



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